Method of providing a foam barrier between a substrate and the a

Details Method of providing a foam barrier between a substrate and the a Method of providing a foam barrier between a substrate and the a

1989-09-29

1992-03-17

Stoll, Robert L.

Compositions

Inorganic luminescent compositions

Tungsten containing

252354, 252 3, 252 805, 252121, 25217424, 71900, 405129, B01J 1300, B09B 100, B01F 1702, C11D 932

Patent

active

050966162

ABSTRACT:
Aqueous thixotropic foam-producing chemical compositions are presented which are comprised of an anionic sulfonate or sulfate surfactant, a fatty acid having 10-30 carbon atoms, an acrylic-based thixotropic thickener, an acrylic acid polymer processing aide and a base present in a concentration sufficiently high to neutralize all of the acid components of the mixture and adjust the pH to above 7.5. The thixotropic foam-producing compositions are useful for producing thixotropic foams which have the ability to resist slumping on sloped surfaces. Also disclosed is a process for mixing highly viscous, low density chemical foaming compositions with water without causing foaming of the resulting mixture.

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